Atopic Dermatitis

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Dr. Parmjit Singh Walia

Posted By : Dr. Parmjit Singh Walia - MBBS, MD (DERMATOLOGY)

Posted On : Dec 15, 2010 (Views : 3711)

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Atopic dermatitis

The skin of a patient with atopic dermatitis reacts abnormally and easily to irritants, food, and environmental and becomes red, flaky and very itchy. It also becomes vulnerable to surface infections caused by bacteria. The skin on the flexural surfaces of the joints (for example inner sides of elbows and knees) are the most commonly affected regions in people.

Atopic dermatitis most often begins in childhood before age 5 and may persist into adulthood. For some, it flares periodically and then subsides for a time, even up to several years.

Although atopic dermatitis can theoretically affect any part of the body, it tends to be more frequent on the hands and feet, on the ankles, wrists, face, neck and upper chest.

In most patients, the usual symptoms that occur with this type of dermatitis are aggravated by a, dry skin, stress, low humidity and sweating, dust or sand or cigarette smoke. Also, the condition can be worsened by having long and hot baths or showers, solvents, cleaners or detergents and wool fabrics or clothing.


Approximately 50% of the patients who develop the condition display symptoms before the age of 1, and 80% display symptoms within the first 5 years of life.

The first sign of atopic dermatitis is the red to brownish-gray colored patches that are usually very itchy. Itching may become more intense during the night. The skin may present small and raised bumps which may be crusting or oozing if scratched, which will also worsen the itch. The skin tends to be more sensitive and may thicken, crack or scale.


Since there is no cure for atopic eczema, treatment should mainly involve discovering the triggers of allergic reactions and learning to avoid them.


Maintaining the Skin Barrier

The primary treatment involves prevention, includes avoiding or minimizing contact with (or intake of) known allergens. Once that has been established, topical treatments can be used. Topical treatments focus on reducing both the dryness and inflammation of the skin.

To combat the severe dryness associated with atopic dermatitis, a high-quality, dermatologist-approved moisturizer should be used daily. Moisturizers are especially effective if applied 5–10 minutes after bathing.

Most commercial soaps wash away all the oils produced by the skin that normally serve to prevent drying. Using a soap substitute such as aqueous cream helps keep the skin moisturized. A non-soap cleanser can be purchased usually at a local drug store. Showers should be kept short and at a lukewarm/moderate temperature.

Prescription Drugs

If moisturizers on their own don't help and the eczema is severe, a doctor may prescribe topical corticosteroid ointments, creams, or injections.Higher-potency steroid creams must not be used on the face or other areas where the skin is naturally thin; usually a lower-potency steroid is prescribed for sensitive areas. The use of the finger tip unit may be helpful in guiding how much topical cream is required to cover different areas.


Atopic dermatitis is a common disease which tends to affect both males and females in the same proportion. Atopic dermatitis occurs most often in infants and children, and its onset decreases substantially with age, and it is highly unlikely to develop in patients who are older than 30 years.The condition appears to primarily affect individuals who live in urban areas and in climates with low humidity. However, specialists claim that there is a genetic factor which may play an important role in the development of atopic dermatitis.

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